-CommandWithArgs CLI parameter doesn't work with - (code provided via stdin) #22891

Prerequisites

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Steps to reproduce

Note: To run the repro, experimental feature PSCommandWithArgs must be enabled.

'"Args: $args"' | pwsh -NoProfile -CommandWithArgs - foo bar

Note:

• There's an opportunity to combine fixing this problem with also providing expected code-via-stdin semantics - see $ErrorActionPreference = 'Stop' ignored, when command read from stdin. #21808 (comment)

Expected behavior

Args: foo bar

Actual behavior

The CLI call fails:

'-' was specified with the -Command parameter; no other arguments to -Command are permitted.

That is, -CommandWithArgs unexpectedly behaves like -Command, even though there's no good reason to prevent this combination of arguments.

Error details

No response

Environment data

PowerShell 7.5.0-preview.2

Visuals

No response